| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.lucene.analysis.miscellaneous; |
| |
| import java.io.Reader; |
| import java.io.StringReader; |
| import org.apache.lucene.analysis.BaseTokenStreamFactoryTestCase; |
| import org.apache.lucene.analysis.TokenStream; |
| import org.apache.lucene.analysis.util.StringMockResourceLoader; |
| import org.apache.lucene.util.Version; |
| |
| /** Simple tests to ensure the stemmer override filter factory is working. */ |
| public class TestStemmerOverrideFilterFactory extends BaseTokenStreamFactoryTestCase { |
| public void testKeywords() throws Exception { |
| // our stemdict stems dogs to 'cat' |
| Reader reader = new StringReader("testing dogs"); |
| TokenStream stream = whitespaceMockTokenizer(reader); |
| stream = |
| tokenFilterFactory( |
| "StemmerOverride", |
| Version.LATEST, |
| new StringMockResourceLoader("dogs\tcat"), |
| "dictionary", |
| "stemdict.txt") |
| .create(stream); |
| stream = tokenFilterFactory("PorterStem").create(stream); |
| |
| assertTokenStreamContents(stream, new String[] {"test", "cat"}); |
| } |
| |
| public void testKeywordsCaseInsensitive() throws Exception { |
| Reader reader = new StringReader("testing DoGs"); |
| TokenStream stream = whitespaceMockTokenizer(reader); |
| stream = |
| tokenFilterFactory( |
| "StemmerOverride", |
| Version.LATEST, |
| new StringMockResourceLoader("dogs\tcat"), |
| "dictionary", |
| "stemdict.txt", |
| "ignoreCase", |
| "true") |
| .create(stream); |
| stream = tokenFilterFactory("PorterStem").create(stream); |
| |
| assertTokenStreamContents(stream, new String[] {"test", "cat"}); |
| } |
| |
| /** Test that bogus arguments result in exception */ |
| public void testBogusArguments() throws Exception { |
| IllegalArgumentException expected = |
| expectThrows( |
| IllegalArgumentException.class, |
| () -> { |
| tokenFilterFactory("StemmerOverride", "bogusArg", "bogusValue"); |
| }); |
| assertTrue(expected.getMessage().contains("Unknown parameters")); |
| } |
| } |